require File.expand_path('../test_helper', __FILE__) describe "#import" do it "should return the number of inserts performed" do # see ActiveRecord::ConnectionAdapters::AbstractAdapter test for more specifics assert_difference "Topic.count", +10 do result = Topic.import Build(3, :topics) assert result.num_inserts > 0 result = Topic.import Build(7, :topics) assert result.num_inserts > 0 end end it "should not produce an error when importing empty arrays" do assert_nothing_raised do Topic.import [] Topic.import %w(title author_name), [] end end context "with :validation option" do let(:columns) { %w(title author_name) } let(:valid_values) { [[ "LDAP", "Jerry Carter"], ["Rails Recipes", "Chad Fowler"]] } let(:invalid_values) { [[ "The RSpec Book", ""], ["Agile+UX", ""]] } context "with validation checks turned off" do it "should import valid data" do assert_difference "Topic.count", +2 do result = Topic.import columns, valid_values, :validate => false end end it "should import invalid data" do assert_difference "Topic.count", +2 do result = Topic.import columns, invalid_values, :validate => false end end end context "with validation checks turned on" do it "should import valid data" do assert_difference "Topic.count", +2 do result = Topic.import columns, valid_values, :validate => true end end it "should not import invalid data" do assert_no_difference "Topic.count" do result = Topic.import columns, invalid_values, :validate => true end end it "should report the failed instances" do results = Topic.import columns, invalid_values, :validate => true assert_equal invalid_values.size, results.failed_instances.size results.failed_instances.each{ |e| assert_kind_of Topic, e } end it "should import valid data when mixed with invalid data" do assert_difference "Topic.count", +2 do result = Topic.import columns, valid_values + invalid_values, :validate => true end assert_equal 0, Topic.find_all_by_title(invalid_values.map(&:first)).count end end end context "with :synchronize option" do context "synchronizing on new records" do let(:new_topics) { Build(3, :topics) } it "doesn't reload any data (doesn't work)" do Topic.import new_topics, :synchronize => new_topics assert new_topics.all?(&:new_record?), "No record should have been reloaded" end end context "synchronizing on new records with explicit conditions" do let(:new_topics) { Build(3, :topics) } it "reloads data for existing in-memory instances" do Topic.import(new_topics, :synchronize => new_topics, :synchronize_key => [:title] ) assert new_topics.all?(&:new_record?), "Records should have been reloaded" end end end context "with an array of unsaved model instances" do let(:topic) { Build(:topic, :title => "The RSpec Book", :author_name => "David Chelimsky")} let(:topics) { Build(9, :topics) } let(:invalid_topics){ Build(7, :invalid_topics)} it "should import records based on those model's attributes" do assert_difference "Topic.count", +9 do result = Topic.import topics end Topic.import [topic] assert Topic.find_by_title_and_author_name("The RSpec Book", "David Chelimsky") end it "should not overwrite existing records" do topic = Generate(:topic, :title => "foobar") assert_no_difference "Topic.count" do begin Topic.transaction do topic.title = "baz" Topic.import [topic] end rescue Exception # PostgreSQL raises PgError due to key constraints # I don't know why ActiveRecord doesn't catch these. *sigh* end end assert_equal "foobar", topic.reload.title end context "with validation checks turned on" do it "should import valid models" do assert_difference "Topic.count", +9 do result = Topic.import topics, :validate => true end end it "should not import invalid models" do assert_no_difference "Topic.count" do result = Topic.import invalid_topics, :validate => true end end end context "with validation checks turned off" do it "should import invalid models" do assert_difference "Topic.count", +7 do result = Topic.import invalid_topics, :validate => false end end end end context "with an array of columns and an array of unsaved model instances" do let(:topics) { Build(2, :topics) } it "should import records populating the supplied columns with the corresponding model instance attributes" do assert_difference "Topic.count", +2 do result = Topic.import [:author_name, :title], topics end # imported topics should be findable by their imported attributes assert Topic.find_by_author_name(topics.first.author_name) assert Topic.find_by_author_name(topics.last.author_name) end it "should not populate fields for columns not imported" do topics.first.author_email_address = "zach.dennis@gmail.com" assert_difference "Topic.count", +2 do result = Topic.import [:author_name, :title], topics end assert !Topic.find_by_author_email_address("zach.dennis@gmail.com") end end context "with an array of columns and an array of values" do it "should import ids when specified" do Topic.import [:id, :author_name, :title], [[99, "Bob Jones", "Topic 99"]] assert_equal 99, Topic.last.id end end context "ActiveRecord timestamps" do context "when the timestamps columns are present" do setup do Delorean.time_travel_to("5 minutes ago") do assert_difference "Book.count", +1 do result = Book.import [:title, :author_name, :publisher], [["LDAP", "Big Bird", "Del Rey"]] end end @book = Book.last end it "should set the created_at column for new records" do assert_equal 5.minutes.ago.strftime("%H:%M"), @book.created_at.strftime("%H:%M") end it "should set the created_on column for new records" do assert_equal 5.minutes.ago.strftime("%H:%M"), @book.created_on.strftime("%H:%M") end it "should set the updated_at column for new records" do assert_equal 5.minutes.ago.strftime("%H:%M"), @book.updated_at.strftime("%H:%M") end it "should set the updated_on column for new records" do assert_equal 5.minutes.ago.strftime("%H:%M"), @book.updated_on.strftime("%H:%M") end end context "when a custom time zone is set" do setup do original_timezone = ActiveRecord::Base.default_timezone ActiveRecord::Base.default_timezone = :utc Delorean.time_travel_to("5 minutes ago") do assert_difference "Book.count", +1 do result = Book.import [:title, :author_name, :publisher], [["LDAP", "Big Bird", "Del Rey"]] end end ActiveRecord::Base.default_timezone = original_timezone @book = Book.last end it "should set the created_at and created_on timestamps for new records" do assert_equal 5.minutes.ago.utc.strftime("%H:%M"), @book.created_at.strftime("%H:%M") assert_equal 5.minutes.ago.utc.strftime("%H:%M"), @book.created_on.strftime("%H:%M") end it "should set the updated_at and updated_on timestamps for new records" do assert_equal 5.minutes.ago.utc.strftime("%H:%M"), @book.updated_at.strftime("%H:%M") assert_equal 5.minutes.ago.utc.strftime("%H:%M"), @book.updated_on.strftime("%H:%M") end end end context "importing with database reserved words" do let(:group) { Build(:group, :order => "superx") } it "should import just fine" do assert_difference "Group.count", +1 do result = Group.import [group] end assert_equal "superx", Group.first.order end end context "importing a datetime field" do it "should import a date with MM/DD/YYYY format just fine" do Topic.import [:author_name, :title, :last_read], [["Bob Jones", "Topic 1", "05/14/2010"]] assert_equal "05/14/2010".to_date, Topic.last.last_read.to_date end it "should import a date with YYYY/MM/DD format just fine" do Topic.import [:author_name, :title, :last_read], [["Bob Jones", "Topic 2", "2010/05/14"]] assert_equal "05/14/2010".to_date, Topic.last.last_read.to_date end end end